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A slightly adapted version of Xerces 2.11.0 to allow the XMLStringBuffer responsible for XML attribute scanning to start larger and thus avoid extended appending times. The initial buffer size is controlled by settting the system property julielab.xerces.attributebuffersize (also available as constant XMLScanner#ATTRIBUTE_BUFFER_SIZE).

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.xerces.xs;

import java.util.List;

/**
 *  The XSObjectList interface provides the abstraction of an 
 * immutable ordered collection of XSObjects, without defining 
 * or constraining how this collection is implemented. 
 */
public interface XSObjectList extends List {
    /**
     *  The number of XSObjects in the list. The range of valid 
     * child object indices is 0 to length-1 inclusive. 
     */
    public int getLength();

    /**
     *  Returns the indexth item in the collection or 
     * null if index is greater than or equal to 
     * the number of objects in the list. The index starts at 0. 
     * @param index  index into the collection. 
     * @return  The XSObject at the indexth 
     *   position in the XSObjectList, or null if 
     *   the index specified is not valid. 
     */
    public XSObject item(int index);

}